Any object moving towards or away from the Earth will show a Doppler shift when observed from Earth.

Question

Quizplus · Accepted Answer

The Doppler shift occurs when there is a relative motion between the observer and the source of the waves. This means that any object moving towards or away from the Earth will show a Doppler shift when observed from Earth. This is true not only for objects in space, but also for objects on Earth, such as cars, airplanes, and trains, which can be detected using Doppler radar technology.

Any Object Moving Towards or Away from the Earth Will